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Clock Drift

I am running Call Manager 3.3.3 sr3 on IBM X-342 servers I have 6 servers in my cluster. I have noticed since I did the upgrade that two of my servers are drifting. They are getting ahead one server by 10 minutes in less than 24 hours . the other by 4 minutes.

I have all servers set to clock from an external clock source using NTP. My question is has anyone else had issues with clock drifting.

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Re: Clock Drift

You could try fixing the clock drift issue by disabling the NTP service. Probably, the NTP is conflicting with the domain time sync.

I would suggest, stopping and disabling the NTP service on all CCM servers in the cluster. Then monitor them to make sure they are correctly getting time sync from the domain. The following document discusses how to configure time sync within the CCM cluster by pointing to a time server.

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_configuration_example09186a008009470f.shtml

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